1. Department of Surgery; Institute for Cellular Transplantation; University of Arizona; Tucson; AZ; USA
2. Medical School; University of Athens; Athens; Greece
3. Department of Visceral Surgery and Transplantation; University Hospitals Geneva; Geneva; Switzerland
4. Surgical Research Division; Clinic of Surgery; University of Bonn; Bonn; Germany
5. Department of General and Endocrine Surgery; University of Lille; Lille; France
6. Medical School; Institute of Cellular Medicine; Newcastle University; Newcastle upon Tyne; UK
7. SchuBiomed Consultancy; Utrecht; The Netherlands